Efficiency of a lever is never 100% or more.
(give reasons)

Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Explain why you think this diagram shows what happened to the carbon in the biodome.